408440440049 has 8 divisors (see below), whose sum is σ = 409186657152. Its totient is φ = 407694906160.

The previous prime is 408440440019. The next prime is 408440440153. The reversal of 408440440049 is 940044044804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408440440049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 408440439988 and 408440440015.

It is not an unprimeable number, because it can be changed into a prime (408440440019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033667 + ... + 1373079.

It is an arithmetic number, because the mean of its divisors is an integer number (51148332144).

Almost surely, 2^408440440049 is an apocalyptic number.

It is an amenable number.

408440440049 is a deficient number, since it is larger than the sum of its proper divisors (746217103).

408440440049 is a wasteful number, since it uses less digits than its factorization.

408440440049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341607.

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 408440440049 in words is "four hundred eight billion, four hundred forty million, four hundred forty thousand, forty-nine".